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Complex Training forPower Development:Practical Applications forProgram DesignJulian J. H. Lim, MSc, CSCS and Christopher I. Barley, BSCEXOS, Singapore
A B S T R A C T
THE SHORT-TERMGAINS IN POWER
AND RATE OF FORCE DEVELOP-
MENT AFTER MAXIMAL OR HIGH-
INTENSITY DYNAMIC EXERCISES
ARE THOUGHT TO RESULT FROM
POSTACTIVATION POTENTIATION
(PAP). THE MAJOR FACTORS
AFFECTING PAP UTILIZATION ARE
THE OPTIMAL INTRACOMPLEX
RECOVERY, TRAINING STATUS, AND
STRENGTH LEVELS OF THE ATH-
LETES. STUDIES HAVE SHOWN
THAT WITH THE IDEAL COMBINA-
TION OF MODERATELY HIGHLY
TRAINED ATHLETES AND ADE-
QUATE INTRACOMPLEXRECOVERY,
IT IS POSSIBLE TO EFFECTIVELY
IMPLEMENT COMPLEX TRAINING
FOR POWER DEVELOPMENT. THIS
PAPER LOOKS TO REVIEW THE
CURRENT LITERATURE OF STUDIES
INVESTIGATING THE CHRONIC
ADAPTATIONS OF PAP IN A TRAIN-
ING CYCLE AND RECOMMEND AN
EFFECTIVE AND PRACTICAL COM-
PLEX TRAINING PROGRAM.
INTRODUCTION
Many aspects of a strength andconditioning program centeron power development with
complex training being commonlyused. Complex training involves maxi-mal or high-intensity dynamic exercisesbefore performing a lighter-resistanceballistic movement with similar bio-mechanical characteristics (7). Recentresearch has shown that maximal orhigh-intensity dynamic exercises (e.g.,heavy squats, weighted countermove-ment jumps and drop jumps) canenhance the rate of force developmentand jump height of both vertical andhorizontal jump performance(5,16,29). This training techniquetakes advantage of postactivationpotentiation (PAP) which is definedas the enhanced neuromuscular con-dition observed in the skeletal muscleafter an initial bout of heavy resistanceexercise (27).
The short-term increases in powerafter maximal or high-intensitydynamic exercises are thought toresult from a combination of 2 physi-ological phenomena. The first theoryfocuses within the localized musclewhere the increased recruitment ofhigh threshold motor units(7,18,24,28) and phosphorylation ofmyosin regulatory light chains makesthe actin and myosin more sensitive toCa2+ released from the sarcoplasmicreticulum (23). This increases the rateof binding of actin and myosin result-ing in faster muscle contraction (13).The second theory focuses on the
spinal level where the potentiatedmuscular state is attributed to anincrease in a-motoneuron excitabilityas reflected by changes in the H-reflex(6,25). The H-reflex is a reflexive neu-ral signal, which when superimposedon voluntary muscle activation, in-creases the strength of the electricalimpulse, thus activating more motorunits (6).
PAP has been shown to increase therate of force development of theaffected muscle groups which leadsto an increase in acceleration andvelocity (26). Both acute and chronicincreases in muscular strength andpower may be further enhanced byperforming an explosive power exer-cise while the affected muscle groupsare in this potentiated state (27).
INTRACOMPLEX RECOVERY
One of the major factors affecting PAPutilization is the optimal intracomplexrecovery (i.e., rest interval betweenmaximal or high-intensity dynamicexercise and ballistic exercise)(7,18,24,28). A muscular contractionproduces both PAP and fatigue and itis the next balance between these 2variables that determines whether thesubsequent performance response is
Address correspondence to Julian J. H. Lim,[email protected].
KEY WORDS :
postactivation potentiation; complextraining; chronic adaptations
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enhanced, reduced, or unchanged (Fig-ure) (14). During the rest interval, mus-cle performance may improve ifpotentiation dominates and fatigueis reduced, decrease if fatigue domi-nates over potentiation and remainunchanged if both fatigue and potenti-ation are at similar levels.
Since PAP coexists with fatigue, it isvital to identify the optimal rest inter-val whereby the muscle has partiallyrecovered from fatigue but is still ina potentiated state (3). Previous re-views in the assessment of the tempo-ral profile of PAP had reported a lackof consensus regarding the optimal in-tracomplex recovery with the recov-ery interval ranging from 3 to10 minutes (19,28). To implementcomplex training in a training cycle,a shorter recovery interval of ;3–4 minutes would be ideal forstrength and conditioning coaches toexecute an effective, yet practicaltraining program when performingand incorporating PAP.
TRAINING STATUS AND STRENGTHLEVELS
Other major contributing factorsaffecting PAP utilization are an ath-lete’s training status, resistance train-ing experience, and strength level
(7,18,24,28). To adhere to the recom-mended ;3–4 minutes intracomplexrecovery, it is recommended toimplement complex training in train-ing cycles of moderately highlytrained athletes with high relative 1repetition maximum (1RM) strengthlevels (training status 5 club, pro-fessional and elite athletes; resistancetraining experience $2 years; lowerbody strength levels $1.8 relative1RM; upper body strength levels $1.4relative 1RM) (15,18–20). The abilityof stronger individuals to express theirgreatest PAP effect earlier may beexplained by the fact that theydevelop fatigue resistance to heavierloads after a near-maximal effort (1).Given the interplay betweenstrength, fatigue, and potentiation,stronger and experienced individualsmay be able to dissipate fatiguequicker after the maximal or high-intensity dynamic exercise becauseof their greater capacity to resistfatigue and therefore may be able toachieve their maximal PAP responseearlier than weaker individuals (1).Stronger individuals may have a high-er percentage of type II muscle fibersand therefore likely exhibit greaterincreases in myosin RLC phosphor-ylation in response to dynamic
exercise or respond more to increasesin the ability to recruit type II musclefibers resulting in a greater voluntaryPAP response (21).
In contrast, moderately trained ath-letes may incorporate the use of plyo-metric exercises to induce the effect ofPAP for complex training withina training cycle. Plyometric exercisesare associated with the preferentialrecruitment of type II motor unitswhich is one central level mechanismunderpinning PAP (6). One studydirectly compared the effect of a plyo-metric versus traditional resistanceexercise and reported a greater PAPeffect after the former (16). Twelvetrained volleyball players performeda variety of specific warm-up stimuli(unloaded and loaded countermove-ment jumps and drop jumps) afterbaseline measurements on random-ized separate occasions. Jump heightand maximal power output signifi-cantly improved by 2–5% and 2–11%, respectively.
A recent meta-analysis has alsoshown that a plyometric exercisemay produce less fatigue thana loaded traditional resistance exer-cise as a conditioning stimulus, thusallowing a greater potentiation effectto be achieved and reducing the timenecessary to achieve the maximalPAP effect (19). Given the relationshipbetween fatigue and PAP, a plyometricexercise may produce less fatigue thana loaded traditional resistance exer-cise, thus allowing a greater potentia-tion effect to be achieved andreducing the intracomplex recoveryneeded to achieve the maximal PAPeffect (19).
CHRONIC ADAPTATIONS OFPOSTACTIVATION POTENTIATIONIN A TRAINING CYCLE
Only a handful of studies have investi-gated the effectiveness of complextraining within a training cycle of6–10 weeks (4,8–11,17,22) (Table 1).The majority of studies showed thatclub and elite level athletes taking partin a periodized complex training cycleshowed significant improvements in
Figure. A model of the relationship between postactivation potentiation (PAP) andfatigue after a previous conditioning stimulus (Adapted from Tillin andBishop, 2009). PAP can be achieved earlier after a low-volume conditioningstimulus (window 1) or later after a high-volume conditioning stimulus(window 2).
Complex Training for Power Development
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Table 1Studies investigating chronic adaptations of postactivation potentiation on performance measures
Study Subjects Training program Duration Performance test Performancechanges
Dodd andAlvar (4)
45 Div II Complex Training Plyometric Training ResistanceTraining
8 wk 20–60-yd sprint [0.27–0.55%
College baseballplayers
BS + BJ BJ BS VJ [0.98%
Lunge + DJ DJ Lunge SBJ [1.8%
Split Squat + Split SquatJumps
Split Squat Jumps Split Squat T-agility [2.33%
Notes Notes
Resistance exercises 5 43 6 at 80–90% 1RM
,10 s betweencomplex pairs
Plyometric exercises 5 43 6 at 0–30% 1RM
3–4 min restbetween sets
2 d per week
Juarez et al. (8) 16 Undergraduates Complex Training ConventionalTraining
8 wk CMJ VJH [ 5.4 cm(Complex)
2 3 8 BS at 70% 1RM + 5 VJ+ 2 3 20 m (week 1–2)
BS (week 1–4) VJH 4(Conventional)
23 6 BS at 75% 1RM + 5 HJ+ 2 3 20 m (week 3–4)
VJ + 4 3 20 m(week 5)
23 4 BS at 80% 1RM + 5 DJ+ 2 3 20 m (week 5–6)
HJ + 5 3 20 m(week 6)
2 3 4 BS at 85% 1RM + 5 BJ+ 2 3 20 m (week 7–8)
DJ + 4 3 20 m(week 7)
Notes BJ + 4 3 20 m(week 8)
No rest between complexpairs
Notes
(continued)
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Table 1(continued)
3–5 min rest between sets Resistance exercisein week 1–4followed bypower exercisesin week 5–8
2 d per week 3–5 min restbetween sets
2 d per week
MacDonaldet al. (9)
34 MUndergraduates
Complex Training Plyometric Training ResistanceTraining
6 wk CMJ & SBJ CMJ pGFF
Day 1 Day 1 Day 1 [ 4.1%(Plyometric)
BS + Lateral Jump Lateral Jump BS [ 3% (Complex)
Stiff Leg Deadlift + DJ DJ Stiff LegDeadlift
4 betweenComplex,
Plyometric &Resistance
Standing Calf Raise + BJ BJ (3 3 3–7) StandingCalf Raise(3 3 3–6at 75–90%1RM)
Resistance (33 3–6 at 75–90% 1RM)
Day 2 Day 2
Plyometric (3 3 3–7) Lateral Jump SpeedSquats
Day 2 DJ Stiff LegDeadlift
Speed Squats + LateralJump
BJ StandingCalf Raise
Stiff Leg Deadlift + DJ Plyometric (3 33–6)
Resistance(3 3 3–6at 45–60%1RM)
Standing Calf Raise + BJ Notes
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Table 1(continued)
Resistance (33 3–6 at 45–60% 1RM)
3 min restbetween sets
Notes
Plyometric (3 3 3–6) 3 min restbetweensets
Notes
3 min rest betweenexercises
3 min rest between sets
Maio Alveset al. (10)
23 M Complex Training (G1 & G2) Resistance Control 6 wk SJ VJH [ 12.6% (G1)
Young elite 6 reps squats at 85% 1RM +5 m high skipping + 5 mSprint
BS (week 1–4) No Resistanceor Plyometrictraining
VJH [ 9.63% (G2)
Portuguese soccer 6 reps calf raise at 90% 1RM+ 8 VJ + 3 high ballheaders
VJ + 4 3 20 m(week 5)
VJH 4 betweenG1 & G2
6 reps seated leg extensionat 80% 1RM + 6 Jumpsfrom seated position + 3DJ executing soccerheading
HJ + 5 3 20 m(week 6)
Notes DJ + 4 3 20 m(week 7)
G1: Train once a week BJ + 4 3 20 m(week 8)
G2: Train twice a week Notes
Rest period: NA ,10 s betweencomplex pairs
3–4 min restbetween sets
2 Days per week
(continued)
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Table 1(continued)
Mihalik et al.(11)
31 (11 M, 20 F) Complex Training Compound Training 4 wk CMJ VJH [ 5.4%(Complex)
Divison 1 Day 1 & 2 Day 1 VJH [ 9.1%(Compound)
Volleyball BS (3 3 6 at 60% 1RM) +Depth Jump (3 3 6)
BS (6 3 6 at60% 1RM)
4 betweenComplex &Compound
Single Leg Lunge (3 3 6at 60% 1RM) + SplitSquat Jump (3 3 6)
Single LegLunge (6 360% at 1RM)
Deadlift (6 3 6 at 60%1RM) + Double LegBounds (3 3 6)
Deadlift (6 3 6at 60% 1RM)
Notes Day 2
60 s rest between sets Depth Jump (33 6)
2 min rest between exercise Split SquatJump (3 3 6)
Double LegBounds(3 3 6)
Notes
60 s rest betweensets
2 min restbetweenexercise
Santos andJaneira (17)
25 M Complex Training Control 10 wk SJ VJH
14–15 yrs Day 1 Day 2 No Resistance orPlyometrictraining
CMJ [ 10.5–13%(Complex)
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Table 1(continued)
Basketball Leg Extension (3 3 10–12RM) + Rim Jump(2–3 3 10) + TuckJump (3 3 10) + SideJump/Sprint (3–43 6 +5 m sprint) + DJ 1808Turn (4 3 6)
Decline Press (33 10-12RM)+ 2-footAnkle Hop (2–33 15) + Alt-leg Bound (33 10 m) + DJ(3–4 3 6) +Cone hopswith CODSprint (4 3 6+ 5 m sprint)
Abalakov test VJH Y 5.2–8.6%(Control)
Pullover(3 3 10–12RM) + MBSquat Toss (2–33 10) +Overhead Throws (3 312) + Seated Chest Pass(3–4 3 10) + PulloverPass (4 3 10)
Lat Pull Down (33 10–12RM)+ MB ChestPass (2–3 310) +BackwardThrow (3 310) + PowerDrop (43 10)
Leg Curl (33 10–12RM) +Zigzag Drill (2–3 3 10)+ Alt-Leg Push-off (3 310) + Lateral BJ (3–4 310) + HJ (4 3 8)
Leg Press (3 310-12RM) +Squat Jump(2–3 3 10) +Lateral Jump(3 3 10) + HJ(3–4 3 5) +Multiple BoxJumps (43 6)
Notes
2–3 min rest betweenresistance exercise sets
4 min rest betweenresistance & plyometricexercises
Resistance exercise (week1–10)
(continued)
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Table 1(continued)
First plyometric exercise(week 1–2)
Second plyometric exercise(week 3–4)
Third plyometric exercise(week 5–7)
Fourth plyometric exercise(week 8–10)
Stasinaki et al.(22)
25 M Complex Training Compound Training 6 wk CMJ (Jump & reachmethod)
VJH 4(Complex)
Young men Day 1 & 2 Day 1 VJH [ 4%(Compound)
PE students Leg Press 2 3 6 at 85%1RM + Leg press throw(2 3 8 at 30% 1RM)
Leg press (4 36 at 85%1RM)
Bench Press (23 6 at 85%1RM) + Bench PressThrow (2 3 8 at 30%1RM)
Bench Press (43 6 at 85%1RM)
Smith box squat (43 6 at85% 1RM) + SJ (2 3 8at 30% 1RM)
Smith boxsquat (4 3 6at 85% 1RM)
Day 3 Day 2
DJ (3 3 8) Leg Press throw(43 8 at 30%1RM)
Notes Bench PressThrow (4 3 8at 30% 1RM)
3 min rest between complexpairs (e.g., 1a & 1b)
SJ (4 3 8 at30% 1RM)
5 min rest betweenexercises
Day 3
DJ (3 3 8)
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lower body power production (i.e., ver-tical jump height). These studies showhow with the ideal combination ofmoderately highly trained athletesand adequate intracomplex recoveryit is possible to effectively implementcomplex training for power develop-ment in a training cycle.
One concern is how to effectively usethe rest interval between both thecomplex pairs and exercise sets (intra-complex recovery: ;3–4 minutes; in-tercomplex recovery: ;5 minutes). Apossible solution is to cater mobilityand/or stability drills for the unaf-fected limbs (i.e., upper body/corecorrective exercises for lower bodycomplex exercise sets), with the aim ofaddressing dysfunctional movementpatterns that can cause a decrease inperformance and an increase in in-juries (2).
Basic movement pattern limitation,due to asymmetrical function of jointmobility and stability, is thought toreduce the effects and benefits offunctional training and physicalconditioning. If the asymmetrical dys-function is unattended to, compensa-tory movement patterns developduring training and the individualcreates a dysfunctional movementpattern that is used subconsciouslywhenever executing an exercisemovement (2). This may lead togreater mobility and stability imbalan-ces and deficiencies, which increasethe potential for injury (12).
These corrective exercises are imple-mented during the rest periods (intra-complex recovery) between theconditioning stimulus and ballisticexercise. This may effectively addressother injury management concerns ofthe athletes during training. This pre-habilitation training approach can besupplemented into a complex trainingprotocol without unnecessarily ex-tending the total training time. Allthese are factored into program designto cater to an effective, yet practicaltraining program (see Table 2 forsample program templates tailored
for both a highly and moderately-trained athlete).
SUMMARY
The majority of the studies investigat-ing the effectiveness of complex train-ing within a training cycle showedsignificant improvements in lowerbody power production. The majorfactors affecting PAP utilization arethe optimal intracomplex recovery,training status, and strength levels ofthe athletes. This shows that with theideal combination of moderatelyhighly trained athletes and adequateintracomplex recovery, it is possibleto effectively implement complextraining for power development ina training cycle. The key to success-fully using PAP into a training cycle is,taking all the above considerationsand implementing them in an effec-tive, yet practical training program.The programming of mobility and/or stability drills within the intracom-plex and intercomplex recovery inter-val may be a solution to address otherinjury management concerns of theathletes during training, withoutunnecessarily extending the totaltraining time.
PRACTICAL APPLICATION
Guidelines for using PAPwithin a train-ing program.1. Ideal subject characteristics� Training status 5 moderately tohighly trained athletes
� Resistance training experience$2 years
� Strength levels $1.8 relative lowerbody 1RM
� Strength levels $1.4 relative upperbody 1RM
2. Effective rest interval� Intracomplex recovery (betweencomplex pairs) 5 ;3–4 minutes
� Intercomplex recovery (betweenexercise sets) 5 ;5 minutes
3. Programming mobility and/or sta-bility drills within the intracomplexand intercomplex recovery interval.
Conflicts of Interest and Source of Funding:The authors report no conflicts of interestand no source of funding.
Table
1(continued)
Notes
3min
betw
een
sets
5min
betw
een
exercises
45
NoSignificantDifference;BJ5
boxjump;BS5
backsquats;CMJ5
counterm
ovementjump;COD5
chan
geofdirection;D
J5
dropjumps;F5
female;G
15
Group1;G
25
Group2;
HJ5
hurdlejump;M
5male;MB5
medicineball;NA5
notavailable;P
E5
physicaleducation;p
GFF
5peak
groundreactionforce;R
M5
repetitionmaxim
um;SBJ5
broad
jumps;SJ
5squat
jump;VJ5
vertical
jump;VJH
5vertical
jumpheight.
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Julian J. H. Lim
is a PerformanceSpecialistat EXOS.
Christopher I.
Barley is a Per-formance Spe-cialist at EXOS.
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Highly trainedathlete
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— 4 3 10 + 4 3 5 (3 shold on each side)
Body mass — 3–4 min intra-complex recovery
1C Squat Jump X 4 3 6–8 0–30% 1RM ;5 min ;5 minintercomplexrecovery
Moderatelytrainedathlete
1A Drop Jump X 3 3 6–8 Body mass —
1B Side Lying Extension Rotationand/or Side Bridge
— 4 3 10 + 4 3 30 s (2rounds per set)
Body mass — 3–4 min intra-complex recovery
1C Box Jump X 4 3 6–8 Body mass ;5 min ;5 minintercomplexrecovery
Complex Training for Power Development
VOLUME 38 | NUMBER 6 | DECEMBER 201642
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